header {
    position: fixed; top: 0; width: 100%; height: 80px; 
    background: rgba(249, 249, 251, 0.95); backdrop-filter: blur(10px);
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 60px; z-index: 1000; border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}
header.nav-up { transform: translateY(-100%); }

.logo img { height: 28px; width: auto; }
.nav-menu { display: flex; gap: 40px; height: 100%; align-items: center; }
.nav-item { position: static; height: 100%; display: flex; align-items: center; cursor: pointer; font-size: 16px; font-weight: 600; text-transform: uppercase; }
.nav-item:hover { color: var(--vi-blue); }
.nav-item.cur { color: var(--vi-blue); }

/* 下拉巨型菜单 Mega Menu */
.mega-menu { 
    position: absolute; top: 80px; left: 0; width: 100vw; 
    height: 750px; 
    background: #fff; box-shadow: 0 10px 30px rgba(0,0,0,0.05); 
    opacity: 0; visibility: hidden; transition: 0.3s; 
    padding: 50px 0; 
    display: flex; flex-direction: column; align-items: center;
    cursor: default; text-transform: none; border-top: 1px solid #eee;
}
.nav-item:hover .mega-menu { opacity: 1; visibility: visible; }

.mega-categories { 
    display: flex; gap: 40px; margin-bottom: 40px; 
    width: 100%; max-width: 1600px; padding: 0 40px; justify-content: center; 
}
.mega-cat-item { font-size: 17px; font-weight: 500; color: var(--text-gray); cursor: pointer; transition: 0.3s; line-height: 1;}
.mega-cat-item:hover, .mega-cat-item.active { color: var(--vi-blue); }

.mega-products { 
    display: grid; grid-template-columns: repeat(6, 1fr); gap: 30px; 
    width: 100%; max-width: 1600px; padding: 0 40px; 
}
.mega-product-card { display: flex; flex-direction: column; align-items: center; cursor: pointer; text-align: center; }
.mega-product-card img { 
    width: 240px; height: 240px; object-fit: contain; 
    background: var(--bg-light); margin-bottom: 20px; 
    border-radius: var(--radius-sm); transition: 0.3s; padding: 20px;
}
.mega-product-card:hover img { transform: scale(1.05); }
.mega-product-card p { font-size: 16px; font-weight: 500; color: var(--text-dark); transition: 0.3s; line-height: 1;}
.mega-product-card:hover p { color: var(--vi-blue); }

/* SUPPORT 专属下拉菜单样式 */
.mega-support {
    height: auto; padding: 50px 0 60px 0; 
    border-bottom-left-radius: 12px; border-bottom-right-radius: 12px; 
}
.support-dropdown-grid {
    display: flex; gap: 120px; justify-content: center;
    width: 100%; max-width: 1200px; margin: 0 auto;
}
.support-col { display: flex; flex-direction: column; text-align: left; }
.support-col h4 {
    font-size: 18px; font-weight: 800; color: var(--text-dark);
    margin-bottom: 25px; text-transform: uppercase; letter-spacing: 0.5px;
}
.support-col h4 a { color: var(--text-dark); text-decoration: none; display: inline-block; font-weight: inherit; transition: 0.3s; }
.support-col h4 a:hover { color: var(--vi-blue); }
.support-col ul { padding: 0; list-style: none; margin: 0; }
.support-col li { margin-bottom: 18px; }
.support-col ul a { font-size: 15px; color: var(--text-gray); transition: 0.3s; font-weight: 500; }
.support-col ul a:hover { color: var(--vi-blue); }

.header-tools { display: flex; align-items: center; gap: 30px; font-weight: 600;}
.icon-btn { font-size: 18px; cursor: pointer; transition: 0.3s;}
.icon-btn:hover { color: var(--vi-blue); }

/* 汉堡菜单按钮（默认隐藏） */
.nav-toggle-input { display: none; }
.hamburger {
    display: none;
    width: 0.273rem; height: 0.212rem;
    position: relative; cursor: pointer; z-index: 1001;
    flex-shrink: 0;
}
.hamburger span {
    display: block; position: absolute; height: 2px; width: 100%;
    background: var(--text-dark); border-radius: 2px;
    transition: 0.3s; left: 0;
}
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger span:nth-child(3) { bottom: 0; }
.nav-toggle-input:checked ~ .hamburger span:nth-child(1) {
    top: 50%; transform: translateY(-50%) rotate(45deg);
}
.nav-toggle-input:checked ~ .hamburger span:nth-child(2) { opacity: 0; }
.nav-toggle-input:checked ~ .hamburger span:nth-child(3) {
    bottom: 50%; transform: translateY(50%) rotate(-45deg);
}

@media (max-width: 1366px) {
    header{padding: 0 30px;}
}
@media (max-width: 1200px) {
    .header-tools .btn-black{display: none;}
}

@media (max-width: 1024px) {
    .nav-menu{display: none;}
    .lang-switch{display: none;}
    .hamburger{display: block;}
    .header-tools {margin: 0 .2rem 0 auto;}

    #my_header_0001_0_mnav{display: block;width: 100%;height: 0;z-index:50;left: 0;right: 0;top: 80px; background: #fff;overflow-y: auto;/*border-top: 1px solid transparent;*/}
    #my_header_0001_0_mnav.cur{height: calc(100vh -  80px);border-top-color: #ebebeb;}

    #my_header_0001_0_mnav .one-nav{line-height:60px;}
    #my_header_0001_0_mnav .one-nav .one{cursor:pointer; margin: 0 30px;border-bottom: 1px solid #ebebeb;background: url(/module/my/header/0001/images/nav-icon1.svg) no-repeat right;}
    #my_header_0001_0_mnav .one-nav.nobg .one{background: none;}
    #my_header_0001_0_mnav .one-nav.cur .one{background-image:url(/module/my/header/0001/images/nav-icon2.svg);}
    #my_header_0001_0_mnav .one-nav.cur.nobg .one{background: none;}
    #my_header_0001_0_mnav .one-nav .one-a{font-size:18px;font-weight: 700;color:#333;}
    #my_header_0001_0_mnav .two-nav{width: 100%;background: #fefefe;padding: 0 30px;}
    #my_header_0001_0_mnav .two-nav .two{border-bottom: 1px solid #ebebeb;padding: 0 30px;}
    #my_header_0001_0_mnav .two-nav .two-a{font-size: 16px;color:#333;}

    #my_header_0001_0_mnav .lang{margin-top: 30px}
    #my_header_0001_0_mnav .lang .icon{width: 60px;height: 60px;border: 1px solid #333;font-size: 18px;color: #333;border-radius: 50%;margin: 0 15px;}
    #my_header_0001_0_mnav .lang .icon.cur{border-color: var(--mainColor);color: var(--mainColor);}
    #my_header_0001_0_mnav .lang .tit{font-size:18px;color: #333;margin-top:20px;}
}

/* ================= 992px 平板适配 ================= */
@media (max-width: 992px) {
    header {
        height: 0.606rem;
        padding: 0 0.455rem;
    }
    .logo img { height: 0.212rem; }

    .hamburger { display: block; }

    .nav-menu {
        position: fixed; top: 0.606rem; left: 0;
        width: 100%; height: calc(100vh - 0.606rem);
        background: rgba(249, 249, 251, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column; align-items: flex-start;
        gap: 0; padding: 0.303rem 0.455rem;
        overflow-y: auto; z-index: 999;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        height: auto; max-height: calc(100vh - 0.606rem);
    }
    .nav-toggle-input:checked ~ .nav-menu {
        transform: translateX(0);
    }
    .nav-item {
        height: auto; padding: 0.152rem 0;
        font-size: 0.136rem; width: 100%;
        border-bottom: 1px solid rgba(0,0,0,0.05);
        position: relative;
    }
    .nav-item:hover .mega-menu {
        opacity: 0; visibility: hidden;
    }
    .mega-menu {
        position: static; width: 100%;
        height: auto; min-height: 0;
        padding: 0.227rem 0;
        box-shadow: none; border-top: none;
        display: none;
        border-radius: 0.061rem;
        margin-top: 0.076rem;
    }
    .nav-item:hover .mega-menu,
    .nav-item:active .mega-menu {
        display: flex; opacity: 1; visibility: visible;
    }
    .mega-categories {
        flex-wrap: wrap; gap: 0.152rem;
        margin-bottom: 0.227rem;
        padding: 0 0.152rem;
        justify-content: flex-start;
    }
    .mega-cat-item { font-size: 0.121rem; }
    .mega-products {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.152rem; padding: 0 0.152rem;
    }
    .mega-product-card img {
        width: 1.212rem; height: 1.212rem;
        padding: 0.106rem; margin-bottom: 0.076rem;
    }
    .mega-product-card p { font-size: 0.106rem; }

    .mega-support { padding: 0.227rem 0 0.303rem 0; }
    .support-dropdown-grid {
        flex-direction: column; gap: 0.227rem;
        padding: 0 0.152rem;
    }
    .support-col h4 { font-size: 0.136rem; margin-bottom: 0.106rem; }
    .support-col li { margin-bottom: 0.076rem; }
    .support-col a { font-size: 0.106rem; }

    .header-tools { gap: 0.152rem; margin: 0 .2rem 0 auto;}
    .icon-btn { font-size: 0.136rem; }
    .header-tools .btn-black {
        padding: 0.091rem 0.182rem;
        font-size: 0.106rem;
    }
}

/* ================= 768px 手机端适配 ================= */
@media (max-width: 768px) {
    header {
        height: 1rem;
        padding: 0 0.227rem;
    }
    .logo img { height: 0.4rem; }

    .hamburger {
        width: 0.45rem; height: 0.4rem;
    }
    .hamburger span { height: 1.5px; }

    .nav-menu {
        top: 0.545rem;
        padding: 0.152rem 0.227rem;
    }
    .nav-item {
        font-size: 0.121rem;
        padding: 0.121rem 0;
    }
    .mega-products {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.106rem;
    }
    .mega-product-card img {
        width: 0.909rem; height: 0.909rem;
        padding: 0.076rem; margin-bottom: 0.061rem;
    }
    .mega-product-card p { font-size: 0.098rem; }
    .mega-cat-item { font-size: 0.114rem; }

    .header-tools { margin-right: .3rem;}
    .icon-btn { font-size: 0.36rem; }
    .header-tools .lang-switch { font-size: 0.106rem; }
    .header-tools .btn-black {
        padding: 0.076rem 0.136rem;
        font-size: 0.098rem;
    }

    #my_header_0001_0_mnav{top: 1rem;}
    #my_header_0001_0_mnav.cur{height: calc(100vh -  1rem);}
    #my_header_0001_0_mnav .one-nav{line-height: 12vw;}
    #my_header_0001_0_mnav .one-nav .one{background-size: 6%;margin: 0 5vw;}
    #my_header_0001_0_mnav .one-nav .one-a{font-size: 0.3rem;}
    #my_header_0001_0_mnav .two-nav .two-a{font-size: 0.28rem;}
    #my_header_0001_0_mnav .two-nav,
    #my_header_0001_0_mnav .two-nav .two{padding: 0 5vw;}
    #my_header_0001_0_mnav .lang{margin-top: 5vw;}
    #my_header_0001_0_mnav .lang .icon{width: 12vw;height: 12vw;font-size: .3rem;margin: 0 3vw;}
    #my_header_0001_0_mnav .lang .tit{font-size:.3rem;margin-top: 3vw;}
}

/* ================= 底部 Footer ================= */
footer { 
    background: #05122a; color: #9ba4b5; 
    display: flex; flex-direction: column; justify-content: center;padding: 80px 0 60px;
}
.footer-grid { display: grid; grid-template-columns: 2.5fr 1.2fr 1.2fr 1.2fr 2fr; gap: 40px; }
.footer-logo { margin-bottom: 30px; display: block;}
.footer-logo img { width: 210px; height: 32px; object-fit: contain; object-position: left; }
.footer-desc { line-height: 1.8; font-size: 16px; color: #9ba4b5;}
.footer-col h4 { color: #ffffff; font-size: 18px; font-weight: 600; margin-bottom: 30px; letter-spacing: 0.5px;}
.footer-col ul li { margin-bottom: 18px; }
.footer-col ul li a { transition: 0.3s; font-size: 16px; color: #9ba4b5;}
.footer-col ul li a:hover { color: #fff; }
.contact-info { margin-bottom: 35px;}
.contact-info p { font-size: 16px; color: #9ba4b5; font-weight: 500; margin-bottom: 5px;}
.contact-info span { display: block; font-size: 28px; font-weight: 700; color: #fff; letter-spacing: 1px;}
.newsletter h4 { color: #fff; margin-bottom: 15px;}
.newsletter-box { display: flex; border-bottom: 1px solid rgba(255,255,255,0.2); padding-bottom: 10px;}
.newsletter input { flex: 1; border: none; background: transparent; color: #fff; font-size: 16px; outline: none;}
.newsletter input::placeholder { color: #697a96; }
.newsletter button { background: none; border: none; color: #fff; font-size: 18px; cursor: pointer; transition: 0.3s;}
.newsletter button:hover { color: var(--vi-blue); }

.footer-bottom-wrap { margin-top: 60px; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 40px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 16px; color: #697a96;}
.social-links { display: flex; gap: 20px; }
.social-links a { color: #9ba4b5; font-size: 20px; transition: 0.3s; background: rgba(255,255,255,0.05); width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: 50%;}
.social-links a:hover { color: #fff; background: var(--vi-blue); transform: translateY(-3px);}

/* ================= 右下角交互工具栏 ================= */
.float-tools { position: fixed; bottom: 40px; right: 40px; z-index: 999; display: flex; flex-direction: column; gap: 15px; }
.tool-btn { 
    width: 54px; height: 54px; background: #fff; border-radius: 50%; 
    box-shadow: 0 5px 20px rgba(0,0,0,0.15); display: flex; align-items: center; 
    justify-content: center; font-size: 22px; color: var(--text-dark); cursor: pointer; 
    transition: 0.3s; position: relative;
}
.tool-btn:hover { background: var(--vi-blue); color: #fff; }

.consult-expand { 
    position: absolute; bottom: 100%; left: 0; width: 100%; 
    display: flex; flex-direction: column; gap: 12px; 
    opacity: 0; visibility: hidden; transform: translateY(20px); 
    transition: var(--transition-soft); padding-bottom: 20px;
}
.consult-btn:hover .consult-expand { opacity: 1; visibility: visible; transform: translateY(0); }
.expand-icon { 
    width: 54px; height: 54px; background: #fff; border-radius: 50%; 
    display: flex; align-items: center; justify-content: center; 
    color: var(--text-dark); box-shadow: 0 5px 15px rgba(0,0,0,0.1); transition: 0.3s;
}
.expand-icon:hover { background: var(--vi-blue); color: #fff; transform: scale(1.1); }

.weixin .qrcode{width: 120px;height: 120px;background-color: #fff;padding: 10px;position: absolute;top: 0;right: 60px;}
.weixin:hover .qrcode{display: block;}

#backToTop { opacity: 0; visibility: hidden; transform: translateY(20px); }
#backToTop.show { opacity: 1; visibility: visible; transform: translateY(0); }

@media (max-width: 1024px) {
    .float-tools{display: none;}
}

/* ================= 992px 平板适配 ================= */
@media (max-width: 992px) {
    footer {
        padding: 0.606rem 0 0.455rem;
    }
    .container-1600 { padding: 0 0.303rem; }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.303rem;
    }
    .footer-logo { margin-bottom: 0.227rem; }
    .footer-logo img { width: 1.591rem; height: 0.242rem; }
    .footer-desc { font-size: 0.121rem; line-height: 1.8; }
    .footer-col h4 { font-size: 0.136rem; margin-bottom: 0.227rem; }
    .footer-col ul li { margin-bottom: 0.136rem; }
    .footer-col ul li a { font-size: 0.121rem; }

    .contact-info { margin-bottom: 0.265rem; }
    .contact-info p { font-size: 0.121rem; margin-bottom: 0.038rem; }
    .contact-info span { font-size: 0.212rem; letter-spacing: 0.008rem; }

    .newsletter h4 { margin-bottom: 0.114rem; }
    .newsletter input { font-size: 0.121rem; }
    .newsletter button { font-size: 0.136rem; }

    .footer-bottom-wrap { margin-top: 0.455rem; padding-top: 0.303rem; }
    .footer-bottom p { font-size: 0.121rem; }
    .social-links { gap: 0.152rem; }
    .social-links a {
        font-size: 0.152rem; width: 0.303rem; height: 0.303rem;
    }

    .float-tools { bottom: 0.303rem; right: 0.303rem; gap: 0.114rem; }
    .tool-btn { width: 0.409rem; height: 0.409rem; font-size: 0.167rem; }
    .expand-icon { width: 0.409rem; height: 0.409rem; }
    .weixin .qrcode { width: 0.909rem; height: 0.909rem; right: 0.455rem; }
}



/* ================= 768px 手机端适配 ================= */
@media (max-width: 768px) {
    footer {
        padding: 0.455rem 0 0.364rem;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 0.2rem;
    }
    .footer-logo { margin-bottom: 0.182rem; }
    .footer-logo img { width: 2.364rem; height: 0.412rem; }
    .footer-desc { font-size: 0.26rem; line-height: 1.7; }
    .footer-col { margin-bottom: 0.152rem; }
    .footer-col h4 { font-size: 0.32rem; margin-bottom: 0.182rem; }
    .footer-col ul li { margin-bottom: 0.25rem; }
    .footer-col ul li a { font-size: 0.28rem; }

    .contact-info { margin-bottom: 0.227rem; }
    .contact-info p { font-size: 0.26rem; margin-bottom: .1rem;}
    .contact-info span { font-size: 0.32rem; }

    .newsletter-box { padding-bottom: 0.2rem; }
    .newsletter input { font-size: 0.3rem; }

    .footer-bottom-wrap { margin-top: 0.303rem; padding-top: 0.227rem; }
    .footer-bottom {
        flex-direction: column; gap: 0.227rem;
        align-items: flex-start;
    }
    .footer-bottom p { font-size: 0.26rem; line-height: 1.6;}
    .footer-bottom a { font-size: 0.26rem; }
    .social-links { gap: 0.121rem; flex-wrap: wrap; }
    .social-links a {
        width: 0.333rem; height: 0.333rem; font-size: 0.152rem;
    }

    .float-tools { bottom: 0.227rem; right: 0.227rem; gap: 0.091rem; }
    .tool-btn { width: 0.364rem; height: 0.364rem; font-size: 0.152rem; }
    .expand-icon { width: 0.364rem; height: 0.364rem; }
}
.pdp-breadcrumbs-wrapper { width: 100%; padding-bottom: 30px; text-align: left; }
.breadcrumbs { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; color: var(--text-gray); }
.breadcrumbs a { transition: color 0.3s; color: var(--text-gray); text-decoration: none; }
.breadcrumbs a:hover { color: var(--vi-blue); }
.breadcrumbs .separator { color: rgba(0,0,0,0.3); font-size: 12px; }
.breadcrumbs .current { color: var(--text-dark); }

@media (max-width: 992px) {
    .pdp-breadcrumbs-wrapper{display: none;}
}


.page-products {
    margin-top: 80px; 
    min-height: calc(100vh - 80px);
    background: var(--bg-white);
}

/* ================= Products Hero Banner ================= */
.products-hero {
    height: 400px;
    background-color: #111111;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;     
    justify-content: center; 
    text-align: center;      
    color: #ffffff;
    z-index: 1;
}

.products-hero h1 { 
    margin-bottom: 15px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
    font-size: 48px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -0.5px;
}
.products-hero p { 
    font-size: 20px; 
    font-weight: 500; 
    max-width: 850px;        
    margin: 0 auto;          
    color: rgba(255, 255, 255, 0.95); 
    line-height: 1.4;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.pdp-breadcrumbs-wrapper { position: absolute; top: 40px; left: 0; width: 100%; z-index: 10; text-align: left; }
.breadcrumbs { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 500; color: rgba(255, 255, 255, 0.7); }
.breadcrumbs a { color: rgba(255, 255, 255, 0.7); transition: color 0.3s; text-shadow: 0 1px 5px rgba(0,0,0,0.3); }
.breadcrumbs a:hover { color: var(--vi-blue); }
.breadcrumbs .separator { color: rgba(255, 255, 255, 0.4); font-size: 13px; text-shadow: 0 1px 5px rgba(0,0,0,0.3); }
.breadcrumbs .current { color: #ffffff; font-weight: 600; text-shadow: 0 1px 5px rgba(0,0,0,0.3); }

/* ================= 左树右表 核心布局 (1600px) ================= */
.products-layout {
    display: flex;
    justify-content: center;
    gap: 60px;
    padding: 60px 40px 100px 40px; 
    max-width: 1600px; 
    margin: 0 auto; 
    align-items: flex-start;
}

/* ================= 左侧：多维度过滤边栏 (已解除高度限制，平铺展示) ================= */
.products-sidebar {
    width: 320px;
    flex-shrink: 0;
    background: #ffffff;
    /* 移除了 sticky 定位和 max-height，让筛选项自然铺开 */
}

.filter-main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--text-dark);
}
.filter-main-header h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0;
}
.clear-filters {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-gray);
    cursor: pointer;
    transition: 0.3s;
    text-decoration: underline;
}
.clear-filters:hover { color: var(--vi-blue); }

/* 折叠面板式过滤组 */
.filter-group {
    border-bottom: 1px solid rgba(0,0,0,0.06);
    padding: 22px 0;
}
.filter-group:last-child { border-bottom: none; }

.filter-group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: 0.3s;
}
.filter-group-header:hover h4 { color: var(--vi-blue); }
.filter-group-header h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
    transition: 0.3s;
}
.filter-group-header i {
    font-size: 15px;
    color: var(--text-gray);
    transition: transform 0.3s;
}

.filter-group-content {
    margin-top: 18px;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.4s ease;
}
.filter-group.collapsed .filter-group-content {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
}
.filter-group.collapsed .filter-group-header i {
    transform: rotate(180deg); 
}

/* 定制化复选框 (Checkbox) */
.custom-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-gray);
    transition: 0.3s;
    line-height: 1.4;
}
.custom-checkbox:last-child { margin-bottom: 0; }
.custom-checkbox:hover { color: var(--text-dark); }
.custom-checkbox input { display: none; }
.checkmark {
    width: 18px;
    height: 18px;
    border: 1px solid rgba(0,0,0,0.2);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: 0.3s;
    margin-top: 1px;
}
.custom-checkbox input:checked ~ .checkmark {
    background: var(--vi-blue);
    border-color: var(--vi-blue);
}
.custom-checkbox input:checked ~ .checkmark::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: #fff;
    font-size: 11px;
}
.custom-checkbox input:checked ~ .checkbox-label {
    font-weight: 600;
    color: var(--text-dark);
}

/* ================= 纯原生的双向范围滑块 (Dual-Thumb Slider) ================= */
.dual-slider-container {
    position: relative;
    width: 100%;
    padding: 15px 0 25px 0;
}
.slider-track {
    position: absolute;
    width: 100%;
    height: 4px;
    background: rgba(0,0,0,0.08);
    border-radius: 2px;
    top: 20px;
}
.slider-progress {
    position: absolute;
    height: 4px;
    background: var(--vi-blue);
    border-radius: 2px;
    top: 20px;
}
/* 隐藏原生的轨道，仅显示滑块 Thumb */
.dual-slider-container input[type="range"] {
    position: absolute;
    top: 20px;
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    pointer-events: none;
    background: transparent;
    transform: translateY(-50%);
    margin: 0;
    z-index: 3;
}
.dual-slider-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    pointer-events: auto;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--vi-blue);
    border: 3px solid #fff;
    box-shadow: 0 2px 6px rgba(0,0,0,0.25);
    cursor: pointer;
    transition: transform 0.1s;
}
.dual-slider-container input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}
.slider-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-dark);
}

/* ================= 右侧：产品网格 ================= */
.products-content { 
    flex-grow: 1; 
    min-width: 0; 
    max-width: 1140px; 
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); 
    gap: 30px;
    width: 100%;
}

.product-card {
    background: var(--bg-white);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-soft);
    cursor: pointer;
    text-decoration: none; 
}
.product-card:hover {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    transform: translateY(-5px);
    border-color: rgba(0, 96, 191, 0.15);
}

.img-box {
    background: var(--bg-light); 
    aspect-ratio: 936 / 700; 
    position: relative;
    overflow: hidden;
}

.img-box img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.img-box .hardware-img {
    object-fit: contain;
    padding: 40px; 
    opacity: 1;
    z-index: 2;
}

.img-box .scenario-img {
    object-fit: cover; 
    opacity: 0;
    z-index: 1;
    transform: scale(1.05); 
}

/* 核心交互：Hover 显示场景图 */
.product-card:hover .img-box .hardware-img { opacity: 0; transform: scale(0.95); }
.product-card:hover .img-box .scenario-img { opacity: 1; transform: scale(1); }

.badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: #111111;
    color: #ffffff;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 4px;
    z-index: 10; 
}

.info-box {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    background: var(--bg-white);
    text-align: left;
}
.info-box h4 {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 12px;
    transition: color 0.3s;
}
.product-card:hover .info-box h4 { color: var(--vi-blue); }
.info-box p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 25px;
    flex-grow: 1;
}

.action-link {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-dark);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.3s;
}
.product-card:hover .action-link { color: var(--vi-blue); }

.product-card.hidden { display: none; }

/* ================= 响应式 ================= */

/* 1680px */
@media (max-width: 1680px) {
    .products-layout { padding: 50px 40px 90px; gap: 50px; }
    .products-grid { gap: 28px; }
}

/* 1536px */
@media (max-width: 1536px) {
    .products-hero { height: 380px; }
    .products-hero h1 { font-size: 46px; }
    .products-layout { padding: 45px 35px 85px; gap: 45px; }
    .products-grid { gap: 26px; }
    .filter-main-header { margin-bottom: 25px; padding-bottom: 12px; }
    .filter-main-header h3 { font-size: 22px; }
    .filter-group { padding: 20px 0; }
    .filter-group-header h4 { font-size: 16px; }
    .info-box { padding: 28px; }
    .info-box h4 { font-size: 20px; }
}

/* 1440px */
@media (max-width: 1440px) {
    .products-hero { height: 360px; }
    .products-hero h1 { font-size: 44px; }
    .products-hero p { font-size: 18px; }
    .products-layout { padding: 40px 30px 80px; gap: 40px; }
    .products-grid { gap: 24px; }
    .filter-main-header { margin-bottom: 22px; }
    .filter-main-header h3 { font-size: 20px; }
    .filter-group { padding: 18px 0; }
    .filter-group-header h4 { font-size: 15px; }
    .custom-checkbox { font-size: 14px; }
    .info-box { padding: 25px; }
    .info-box h4 { font-size: 19px; margin-bottom: 10px; }
    .info-box p { font-size: 14px; margin-bottom: 22px; }
    .action-link { font-size: 14px; }
    .badge { font-size: 11px; padding: 5px 10px; }
}

/* 1366px */
@media (max-width: 1366px) {
    .products-hero { height: 340px; }
    .products-hero h1 { font-size: 42px; }
    .products-hero p { font-size: 17px; }
    .breadcrumbs { font-size: 14px; }
    .products-layout { padding: 35px 25px 75px; gap: 35px; }
    .products-grid { gap: 22px; }
    .filter-main-header { margin-bottom: 20px; padding-bottom: 10px; }
    .filter-main-header h3 { font-size: 18px; }
    .filter-group { padding: 16px 0; }
    .filter-group-header h4 { font-size: 14px; }
    .custom-checkbox { font-size: 13px; }
    .slider-labels { font-size: 13px; }
    .info-box { padding: 22px; }
    .info-box h4 { font-size: 18px; margin-bottom: 8px; }
    .info-box p { font-size: 13px; margin-bottom: 20px; }
    .action-link { font-size: 13px; }
    .badge { font-size: 10px; padding: 4px 8px; }
}

/* 1280px */
@media (max-width: 1280px) {
    .products-hero { height: 320px; }
    .products-hero h1 { font-size: 40px; }
    .products-hero p { font-size: 16px; }
    .breadcrumbs { font-size: 13px; }
    .products-layout { padding: 30px 20px 70px; gap: 30px; }
    .products-grid { gap: 20px; }
    .filter-main-header { margin-bottom: 18px; padding-bottom: 8px; }
    .filter-main-header h3 { font-size: 17px; }
    .clear-filters { font-size: 12px; }
    .filter-group { padding: 15px 0; }
    .filter-group-header h4 { font-size: 13px; }
    .custom-checkbox { font-size: 12px; }
    .slider-labels { font-size: 12px; }
    .info-box { padding: 20px; }
    .info-box h4 { font-size: 17px; margin-bottom: 6px; }
    .info-box p { font-size: 12px; margin-bottom: 18px; }
    .action-link { font-size: 12px; }
    .badge { font-size: 10px; padding: 4px 8px; }
}

/* 1200px */
@media (max-width: 1200px) { 
    .products-grid { grid-template-columns: repeat(2, 1fr); } 
}

/* 1024px */
@media (max-width: 1024px) {
    .products-layout { flex-direction: column; padding: 40px 20px; }
    .products-sidebar { width: 100%; }
}

/* 992px */
@media (max-width: 992px) {
    .page-products { margin-top: .606rem; }
    .products-layout { padding: .303rem .152rem .606rem; gap: .227rem; }
    .products-sidebar { width: 100%; }
    .products-hero { height: 2.424rem; }
    .products-hero h1 { font-size: 0.364rem; }
    .products-hero p { font-size: 0.152rem; }
    .pdp-breadcrumbs-wrapper { top: .227rem; }
    .breadcrumbs { font-size: 0.114rem; }
    .filter-main-header { margin-bottom: .182rem; padding-bottom: .091rem; }
    .filter-main-header h3 { font-size: 0.182rem; }
    .clear-filters { font-size: .091rem; }
    .filter-group { padding: .167rem 0; }
    .filter-group-header h4 { font-size: 0.129rem; }
    .custom-checkbox { font-size: 0.114rem; gap: .091rem; margin-bottom: .106rem; }
    .checkmark { width: .136rem; height: .136rem; }
    .slider-labels { font-size: 0.106rem; }
    .products-grid { gap: .227rem; }
    .info-box { padding: .227rem; }
    .info-box h4 { font-size: 0.167rem; margin-bottom: .091rem; }
    .info-box p { font-size: 0.114rem; margin-bottom: .182rem; }
    .action-link { font-size: 0.114rem; }
    .badge { font-size: 0.091rem; padding: 0.045rem 0.091rem; }
}

/* 768px */
@media (max-width: 768px) {
    .page-products { margin-top: 1rem; }
    .products-layout { padding: 0.303rem 4% 0.606rem; gap: 0.182rem; }
    .products-grid { grid-template-columns: 1fr; gap: 0.152rem; }
    .products-hero { height: 5rem; }
    .products-hero h1 { font-size: 0.32rem; }
    .products-hero p { font-size: 0.26rem; }
    .pdp-breadcrumbs-wrapper { top: 0.182rem; }
    .breadcrumbs { font-size: 0.26rem; }
    .filter-main-header { margin-bottom: 0.152rem; padding-bottom: 0.076rem; }
    .filter-main-header h3 { font-size: 0.32rem; }
    .clear-filters { font-size: 0.26rem; }
    .filter-group { padding: 0.3rem 0; }
    .filter-group-header h4 { font-size: 0.3rem; }
    .filter-group-content { margin-top: 0.2rem; }
    .custom-checkbox { font-size: 0.26rem; gap: 0.091rem; margin-bottom: 0.106rem; }
    .dual-slider-container{padding: .2rem 0 0 0;}
    .checkmark { width: 0.26rem; height: 0.26rem; border-radius: 0.030rem;margin-top: .05rem; }
    .slider-labels { font-size: 0.24rem; }
    .info-box { padding: 0.3rem; }
    .info-box h4 { font-size: 0.32rem; margin-bottom: 0.2rem; }
    .info-box p { font-size: 0.26rem; margin-bottom: 0.2rem; }
    .action-link { font-size: 0.26rem; }
    .badge { font-size: 0.22rem; padding: 0.04rem 0.1rem; }
}